We do not consider ourselves a Christian nation.

We must begin by acknowledging a hard truth. We will not eradicate violent conflict in our lifetimes. There will be times when nations, acting individually or in concert, will find the use of force not only necessary but morally justified.

Operation Iraqi Freedom is over, and the Iraqi people now have lead responsibility for the security of their country

If you want to know who we are, who America is, how we respond to evil-that's it: selflessly, compassionately, unafraid.

Singapore was the very first South-east Asian nation to join the global coalition against ISIL (ISIS) coalition, and we'll work to sustain our momentum in destroying that terrorist organisation.

As president of the United States, I don't bluff.

I spoke on the phone with President Rouhani of the Islamic Republic of Iran. The two of us discussed our ongoing efforts to reach an agreement over Iran's nuclear program. While there will surely be important obstacles to moving forward and success is by no means guaranteed, I believe we can reach a comprehensive solution.